CN1476945A - Tension cap forming method - Google Patents
Tension cap forming method Download PDFInfo
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- CN1476945A CN1476945A CNA021304939A CN02130493A CN1476945A CN 1476945 A CN1476945 A CN 1476945A CN A021304939 A CNA021304939 A CN A021304939A CN 02130493 A CN02130493 A CN 02130493A CN 1476945 A CN1476945 A CN 1476945A
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Abstract
The present invention relates to a forming method of cap with earflaps. In order to accelerate production speed, raise material utilization, reduce its production cost and improve application property of cap with earflaps provides a connecting component and its forming method. Said forming method includes the following steps: cutting fabric material according to a certain length to obtain blank, axial extruding and mould-forming, etc.
Description
Technical field
The invention belongs to the connector forming method, particularly a kind of tension cap forming method.
Background technology
Drawing cap is indispensable element in conjunction with two tablets.As shown in Figure 1 and Figure 2, the canaliculate cap of commonly using that draws also is draw cap a kind of basically.Utilize assembling tool will draw cap to be assembled on the plate.The canaliculate thickness range of cap assembling of drawing of this kind more generally draws cap big.Generally draw the plate body thickness of cap institute combination approximately to have only about 2～4mm, and the canaliculate plate body thickness of cap institute combination that draws of this kind is approximately 6mm, and this kind draw cap generally to draw cap to produce broader bending length (bubble) than other, can be applicable on the softer plate.
As shown in Figure 3, this kind can be applicable to assemble than the canaliculate known method for making system of cap of drawing of soft board spare and will expect that body 40 ' is cut into suitable length; Form thread forming hole 42 ' vertically in material body 40 ' one end; And in the ear 44 ' that the other end formation of expecting body 40 ' enlarges; Form four chases 46 ' with cutting mode outside the material body 40 ' between material body 40 ' ear 44 ' and thread forming hole 42 '; Bore broken four chases 46 ' and produce two class holes 48 ' with bore mode vertically in material body 40 ' ear 44 ' one end again.
Because canaliculate four chases 46 ' of cap that draw of this kind are for influencing the main key factor of drawing the cap performance, when producing in known mode, must using repeatedly, processing could form chase 46 ' and thread forming hole 42 ', and when chase 46 ' is broken, need material body 40 ' most material brill is removed, make that the utilization rate of material is extremely low; Bore mode makes throughput rate significantly reduce on the other hand, because about per minute of drilling machine can only bore the cap that draws about 10, and the drill bit loss of drilling machine also is a big problem.
Summary of the invention
The purpose of this invention is to provide a kind of faster production, improve stock utilization, reduce the production equipment cost, improve and draw the tension cap forming method of cap serviceability.
The present invention includes following steps:
Step 1
Whole volume strip material body is cut into the material body of suitable length; In material body one end, be formed centrally the ear of the flat expansion in depressed area;
Step 2
To expect that body inserts first mould; First mould is cylindric hollow cylinder for having, and radially is provided with a plurality of moulding ditches week in cylindrical shell; Push vertically with bar-shaped first extrudate materials supplied by customers body depressed area, make the material body radially be full of mould, and in expecting body, axially form first and second class hole, and in expecting that body ear below periphery is along expecting that axon is to forming several chases;
Step 3
Form the thread forming hole with first extrudate along expecting that body ear end compresses axially, and push at the center vertically in the material body ear other end, in material body formation blanking hole with second extrudate;
Step 4
To expect that body inserts in second mould with respect to ear's one end; To pressing material, the chase of material body is broken along the material axon, further expect that axon is to extruding, to run through the material body in the edge with first extrudate.
Wherein:
First extrudate is the club of several sections different-diameters in the step 2.
First extrudate is the club of three sections different-diameters.
First class's hole internal diameter is greater than second class's hole internal diameter in the step 2.
The first class hole and second class's hole joining place form section in the step 2.
Thread forming hole internal diameter is less than first class's hole internal diameter in the step 3.
Second mould is that length is expected the cylindric hollow cylinder that body is short in the step 4, and its internal diameter has and expands the place; The material body that is compressed axially forms bulge in the place of expanding of second mould.
In the step 4 material body compressed axially form diameter greater than the bulge of the second mould die orifice internal diameter when taking out the material body from second mould, further along the material axon to stretch the material body so that bulge dwindle.
Owing to the present invention includes the ear that in being cut into suitable length material body one end, is formed centrally the flat expansion in depressed area; The material body is inserted to pushing vertically in first mould that radially is provided with a plurality of moulding ditch hollow cylinders interior week and with first extrudate materials supplied by customers body depressed area, make the material body radially be full of mould to form first and second class hole and axially to form several chases; Form the thread forming hole with first extrudate along expecting that body ear end compresses axially, and push at the center vertically in the material body ear other end, in material body formation blanking hole with second extrudate; To expect that body inserts in second mould with respect to ear's one end; To pressing material, the chase of material body is broken along the material axon, further expect that axon is to extruding, to run through the material body in the edge with first extrudate.In the forming process, made and drawn the chase of cap to break, and made the crooked in advance stretching, extension of material body and be contracted to original diameter dimension.With the present invention make draw cap to use the time, when drawing cap to carry out flexural deformation with fixing sheet material, draw cap promptly can be out of shape according to former prior knee, so design promptly can make and draw each bend on the cap, position distortion in identical forms identical degree of crook, therefore, draw cap for sheet material fixedly have an average stressed effect, with maximum, the most complete fixed effect of performance when the fixed plate; When drawing cap with moulding of the present invention, more quick in processing, only need carry out the punching press processing procedure, production efficiency is much larger than the secondary operations bore mode of known use, not only save the problem and the cost of drilling machine and drill bit loss, and promoted the reliability of processing procedure, in the use of material, more save.Not only faster production, improve stock utilization, and reduce the production equipment cost, improve and draw the cap serviceability, thereby reach purpose of the present invention.
Description of drawings
Fig. 1, draw the cap schematic isometric for the tool groove.
Fig. 2, draw cap user mode schematic diagram for the tool groove.
Fig. 3, draw the known manufacturing sequence figure of cap for the tool groove.
Fig. 4, for precedence diagram of the present invention.
The specific embodiment
The present invention lies in axial compression material body 10, makes material body 10 be full of the mould 20 of tool moulding ditch; Form the cap that draws of tool chase again in the mode that axially crushes.
As shown in Figure 4, the present invention includes following steps:
Step 1
At first will put in order the material body 10 that volume strip material body is cut into suitable length, for processing;
With material body 10 straightenings, the two ends leveling of suitable length, and be formed centrally depressed area 102 among the Yu Yiduan;
102 ends are suppressed the ear 104 that forms flat expansion in the depressed area;
Step 2
Insert first mould 20 in ear's 104 ends; First mould 20 is cylindric hollow cylinder for having, and radially is provided with four symmetrically moulding ditches 22 in twos week in cylindrical shell;
First extrudate of thinking tool number section different-diameter club is expected body 10 depressed areas 102 and is pushed a segment distance vertically, make the material body radially be full of mould 20, and in material body 10, axially form the first class hole 106, and in material body 10 ear's rear peripheries along material body 10 axial 20 4 of formation and moulds corresponding symmetrically four chases 108 in twos of symmetrically moulding ditch 22 in twos;
Further along material body 10 axial advancement, one segment distance and pressing material body 10, in material body 10, axially form the second class hole 110 of diameter with first extrudate, and form section 112 in first and second class hole 106,110 joining places less than the first class hole 106;
Step 3
Again further along expecting body 10 ears 104 1 ends along material body 10 axial advancement one segment distance, extruding forms thread forming hole 114 with first extrudate;
In the center extruding vertically of material body 10 ears 104 other ends, form blanking hole 116 with second extrudate in material body 10;
Step 4
To expect that body 10 inserts in second mould 30 with respect to ear's 104 1 ends; The length of second mould 30 is expected the cylindric hollow cylinder that body 10 is short, and its internal diameter has and expands place 32; Axially knock material body depressed area 102 and ear's 104 1 ends along material body 10, make material body 10 radially expand by the section 112 in 110 in the first class hole 106 and the second class hole, form bulge 120, and make material body 10 contraction in lengths, and four chases 108 of material body 10 peripheries are broken, and first extrudate further compresses axially along material body 10 simultaneously, remove the waste material that is positioned at 116 of thread forming hole 114 and blanking holes, to run through material body 10, just axially form three sections different lengths at material body 10 by first extrudate with three sections different-diameters, the first class hole 106 of different inner diameters, the second class hole 110 and thread forming hole 114;
To expect that body 10 takes out vertically, because of bulge 120 diameters of material body 10 are big than die orifice 34 internal diameters of second mould 30, therefore, when further body 10 axial tension material bodies 10 are expected on the edge when taking out material body 10, bulge 120 is dwindled, form the cap that draws with the chase 108 that breaks.
Because in above-mentioned steps, made and drawn the chase 108 of cap to break, and made the crooked in advance stretching, extensions of section 112 of 110 of material bodies 10 in the first class hole 106 and the second class hole; Utilize the die orifice 34 of second mould 30 again, the bulge 120 of order material body 10 is contracted to original diameter dimension again.With the present invention make draw cap to use the time, when drawing cap to carry out flexural deformation with fixing sheet material, draw cap promptly can be out of shape along section 112, so design promptly can make and draw each bend on the cap, in identical position distortion, form identical degree of crook, therefore, draw cap fixedly to have an average stressed effect for sheet material.
When drawing cap with moulding of the present invention, not only more quick in processing, only need carry out the punching press processing procedure, production efficiency is much larger than the secondary operations bore mode of known use, not only save the problem and the cost of drilling machine and drill bit loss, and promoted the reliability of processing procedure, because many processing procedures of boring together in the known techniques, with regard to the risk on many one processing procedures; In the use of material, more save in addition, utilization is towards excellent extrded material, so that material is full of in the mould, a bit all do not lose any material, and the mode of known use secondary operations, when boring makes that chase breaks, there is 50% material must give up and can't re-use approximately, make material cost more increase; And another advantage of the present invention is owing to draw cap material to expand in advance in processing procedure, when manipulating afterwards, draws cap promptly can be out of shape along the position of once expanding, with maximum, the most complete fixed effect of performance when the fixed plate.
Claims (8)
1, a kind of tension cap forming method is characterized in that it comprises:
Step 1
Whole volume strip material body is cut into the material body of suitable length; In material body one end, be formed centrally the ear of the flat expansion in depressed area;
Step 2
To expect that body inserts first mould; First mould is cylindric hollow cylinder for having, and radially is provided with a plurality of moulding ditches week in cylindrical shell; Push vertically with bar-shaped first extrudate materials supplied by customers body depressed area, make the material body radially be full of mould, and in expecting body, axially form first and second class hole, and in expecting that body ear below periphery is along expecting that axon is to forming several chases;
Step 3
Form the thread forming hole with first extrudate along expecting that body ear end compresses axially, and push at the center vertically in the material body ear other end, in material body formation blanking hole with second extrudate;
Step 4
To expect that body inserts in second mould with respect to ear's one end; To pressing material, the chase of material body is broken along the material axon, further expect that axon is to extruding, to run through the material body in the edge with first extrudate.
2, tension cap forming method according to claim 1 is characterized in that first extrudate is the club of several sections different-diameters in the described step 2.
3, tension cap forming method according to claim 2 is characterized in that described first extrudate is the club of three sections different-diameters.
4, tension cap forming method according to claim 1 is characterized in that first class's hole internal diameter is greater than second class's hole internal diameter in the described step 2.
5,, it is characterized in that the first class hole and second class hole joining place formation section in the described step 2 according to claim 1 or 4 described tension cap forming methods.
6, tension cap forming method according to claim 1 is characterized in that thread forming hole internal diameter is less than first class's hole internal diameter in the described step 3.
7, tension cap forming method according to claim 1 is characterized in that second mould in the described step 4 is that length is expected the cylindric hollow cylinder that body is short, and its internal diameter has and expands the place; The material body that is compressed axially forms bulge in the place of expanding of second mould.
8, according to claim 1 or 7 described tension cap forming methods, it is characterized in that in the described step 4 that the material body is compressed axially and form diameter greater than the bulge of the second mould die orifice internal diameter when taking out the material body from second mould, further along the material axon to stretch the material body so that bulge dwindle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021304939A CN1476945A (en) | 2002-08-21 | 2002-08-21 | Tension cap forming method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA021304939A CN1476945A (en) | 2002-08-21 | 2002-08-21 | Tension cap forming method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1476945A true CN1476945A (en) | 2004-02-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA021304939A Pending CN1476945A (en) | 2002-08-21 | 2002-08-21 | Tension cap forming method |
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| CN (1) | CN1476945A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475502A (en) * | 2016-09-29 | 2017-03-08 | 宁波安拓实业有限公司 | A kind of jag draws the manufacture method of cap blank |
| CN107695268A (en) * | 2017-11-07 | 2018-02-16 | 林全星 | A kind of processing method of shoe tree alignment pin |
| CN110180988A (en) * | 2019-06-13 | 2019-08-30 | 广州市科镁隆五金有限公司 | A kind of lantern type rivet nut production technology |
| CN111570615A (en) * | 2020-05-26 | 2020-08-25 | 天水华洋电子科技股份有限公司 | Positioning pin of lead frame stamping die |
-
2002
- 2002-08-21 CN CNA021304939A patent/CN1476945A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106475502A (en) * | 2016-09-29 | 2017-03-08 | 宁波安拓实业有限公司 | A kind of jag draws the manufacture method of cap blank |
| CN106475502B (en) * | 2016-09-29 | 2018-12-11 | 宁波安拓实业有限公司 | A kind of jag draws the manufacturing method of cap blank |
| CN107695268A (en) * | 2017-11-07 | 2018-02-16 | 林全星 | A kind of processing method of shoe tree alignment pin |
| CN107695268B (en) * | 2017-11-07 | 2019-01-18 | 林全星 | A kind of processing method of shoe tree positioning pin |
| CN110180988A (en) * | 2019-06-13 | 2019-08-30 | 广州市科镁隆五金有限公司 | A kind of lantern type rivet nut production technology |
| CN111570615A (en) * | 2020-05-26 | 2020-08-25 | 天水华洋电子科技股份有限公司 | Positioning pin of lead frame stamping die |
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